Debug Dispersion measurement and added first support for XTCAV stabilizer

app/adaptiveorbit.py

@@ -40,13 +40,14 @@ class AdaptiveOrbit:
     def initBSStream(self,channels):
         print("Initializing BSstream")
         bs = BSCache(100000,10000)   # 1 second time out, capazity for 100 second.
-        bs.stop()
-        for cnl in channels[1:]:
-            if not is_available(cnl):
-                raise ValueError(f"BS-Channel {cbl} is not available")
-            res = make_channel_config(cnl,None,None)
-            bs.channels[res]=res
-        bs.get_var(channels[0])  # this starts also the stream into the cache
+#        bs.stop()
+#        for cnl in channels[1:]:
+#            if not is_available(cnl):
+#                raise ValueError(f"BS-Channel {cbl} is not available")
+#            res = make_channel_config(cnl,None,None)
+#            bs.channels[res]=res
+#        bs.get_var(channels[0])  # this starts also the stream into the cache
+        bs.get_vars(channels)
         return bs
 
     def initPV(self,chx):